LarzBase64 · Free

Base64 encoder / decoder

Convert text to Base64 and back — full Unicode support, in your browser.

Encode and decode Base64 text instantly — free online tool.

Convert text to Base64 and back in one click. Handy for data URIs, tokens and quick debugging. Everything runs locally in your browser.

How to use the Base64 Encoder / Decoder

  1. Paste your textAdd text or Base64.
  2. Encode or decodePick a direction.
  3. Copy the resultGrab the output.

Frequently asked questions

Is my data private?

Yes — it never leaves your browser.

Can it decode too?

Yes, both encode and decode.

Is it free?

Yes, free to use.

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